package com.chang.seckill.interceptor;

import cn.hutool.core.bean.BeanUtil;
import com.chang.common.constant.AuthServerConstant;
import com.chang.common.vo.MemberResponseVo;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.util.AntPathMatcher;
import org.springframework.web.servlet.HandlerInterceptor;

/**
 * @author: changzhenxi
 * @date: 2025年01月06日 14:17
 * @Version: 1.0
 * @description: 登录拦截器，部分操作需要登录才能进行
 * 之前整合了springSession ，auth模块只要登录成功就会往session中存放登录的用户
 */
@Slf4j
@Component
public class LoginUserInterceptor implements HandlerInterceptor {

    public static ThreadLocal<MemberResponseVo> loginUser = new ThreadLocal<>();

    // 这里的登录拦截只对秒杀请求有效
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        String uri = request.getRequestURI();
        AntPathMatcher antPathMatcher = new AntPathMatcher();
        // 为远程调用提供绿色通道,跳过登录检测
        boolean match = antPathMatcher.match("/kill", uri);
        log.info("order拦截器检测到uri:{}", uri);
        if (match) {
            Object attribute = request.getSession().getAttribute(AuthServerConstant.LOGIN_USER);
            MemberResponseVo memberResponseVo = new MemberResponseVo();
            BeanUtil.copyProperties(attribute, memberResponseVo);
            if (memberResponseVo.getId() != null) {
                loginUser.set(memberResponseVo);
                return true;
            } else { // 没登陆就去登录
                request.getSession().setAttribute("msg", "你还没登录哦~");
                response.sendRedirect("http://auth.gulimall.com/login.html");
                return false;
            }
        }
        return true;
    }
}
